import React, { Component } from 'react';

export default class App extends Component {
  state = {
    value:"",
    checked:true,
  }

  render() {
    return (
      <div>
        {/* <input type="text" value={this.state.value}readOnly/> */}
        {/* <input type="text" defaultValue={this.state.value}/>
        <input type="checkbox" defaultChecked = {this.state.checked}/> */}
        <input type="text" value={null}/>
      </div>
    );
  }
}


